CVE-2016-1946: Mozilla Firefox

Critical severity, CVSS 9.8. EPSS: 5.6% chance of exploitation in the next 30 days.

The MoofParser::Metadata function in binding/MoofParser.cpp in libstagefright in Mozilla Firefox before 44.0 does not limit the size of read operations, which might allow remote attackers to cause a denial of service (integer overflow and buffer overflow) or possibly have unspecified other impact via crafted metadata.

Affected products

• Mozilla Firefox: up to and including 43.0.4
• Opensuse Leap: version 42.1 only
• Opensuse Opensuse: version 13.1 only; version 13.2 only

Published 2016-01-31. Last modified 2026-06-17.